74410021

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{563}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 86630400

約数和(自身を除く): 12220379

約数列:

[1, 7, 79, 239, 553, 563, 1673, 3941, 18881, 44477, 132167, 134557, 311339, 941899, 10630003, 74410021]

約数ペア:

[(1, 74410021), (7, 10630003), (79, 941899), (239, 311339), (553, 134557), (563, 132167), (1673, 44477), (3941, 18881)]